The Best GMC Repair in Frenchtown, MT

Compare the highest-rated gmc repair mechanics in Frenchtown, Montana. All shops are licensed, insured, and verified through our rigorous screening process.

#1

Grizzly Performance & Auto

4.8
(180 reviews)
Verified

Widely regarded as the premier diesel and performance specialist in the Missoula area. They have a dedicated focus on modern GM platforms, including Duramax diesel performance tuning, Allison transmission service and upgrades, and heavy-duty suspension work. They are the go-to shop for complex diagnostics and performance enhancements for trucks used for serious towing and off-roading.

2525 Murphy St, Missoula, MT 59801 (Approx. 15 min from Frenchtown)

Specialties & Features

Duramax diesel service
performance
Allison transmission repair
heavy-duty suspension
lift kits

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Frenchtown Service Center

4.6
(95 reviews)
Verified

A long-standing, reputable local business that serves as Frenchtown's primary general auto repair shop. While not a dedicated performance specialist, they are highly trusted for routine maintenance, diagnostics, and repairs on domestic trucks, including GMCs. They handle everything from EcoTec engine check lights and fluid services to brake work and basic electrical issues, offering convenience and reliability for local residents.

16820 US-93, Frenchtown, MT 59834

Specialties & Features

EcoTec engine diagnostics
general maintenance
brake
suspension service

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Bretz RV & Marine

4.5
(250 reviews)
Verified

As a major dealer for GM-based motorhomes and a high-volume seller of GM trucks, their service department possesses deep expertise in the specific systems most important to GMC owners. They are factory-trained experts on Allison transmissions, factory towing integration, and the chassis components of heavy-duty trucks. This makes them an excellent, often overlooked choice for complex transmission and towing package diagnostics and repair.

5800 US-93, Missoula, MT 59804 (Approx. 20 min from Frenchtown)

Specialties & Features

Allison transmission repair
factory towing package maintenance
heavy-duty truck service

Business Information

Years in Business:50 years
Licensed:Yes
Insured:Yes

Why These Are the Top GMC Repair Auto Repair Shops in Frenchtown

** The GMC repair market serving Frenchtown, MT, is characterized by its reliance on the larger Missoula market for specialized services. Frenchtown itself has a limited number of service providers, with the **Frenchtown Service Center** being the primary local option for general maintenance and repairs. For more complex, brand-specific work—particularly on Duramax diesel engines, advanced Allison transmissions, and Denali electronics—residents must look to specialized shops in Missoula. **Competition Level:** Moderate. While there are several general auto shops, true specialists for GMC platforms, especially diesel and performance, are limited to 2-3 top-tier providers like Grizzly Performance. Dealerships like Lithia Chrysler Jeep Dodge of Missoula also service GM trucks but lack the specialized performance focus. **Average Quality:** High. The top-tier shops have excellent reputations built on technical expertise and customer service, reflected in their consistently high review ratings. **Typical Pricing:** Pricing is competitive with national averages. General maintenance at a local shop like Frenchtown Service Center is moderately priced. Specialized work at Grizzly Performance or a dealership like Bretz commands a premium due to higher technician expertise, specialized diagnostic tools, and access to OEM or performance parts.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All shops are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Frenchtown regulations and climate